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Sandy Bridge Overclocking Question - Page 2

post #11 of 23
Quote:
Originally Posted by kevindd992002 View Post
Oh ok, so basically when overlocked the CPU is only hovering between two basic frequencies, 1.6GHz and 4.5GHz? So when you set the Turbo Ratio to your desired multi, you lose the Turbo Boost technology of the CPU and it runs just like just like the old Q6600 quad core CPUs?
That would be it. Although it is still considered turbo boost (semantics only).
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post #12 of 23
Thread Starter 
Quote:
Originally Posted by xandypx View Post
That would be it. Although it is still considered turbo boost (semantics only).
Ok. What if during an overclocked state, I disable turbo boost in the cpu power management section of my mobo, it won't kick to 4.5GHz?
post #13 of 23
Quote:
Originally Posted by kevindd992002 View Post
Ok. What if during an overclocked state, I disable turbo boost in the cpu power management section of my mobo, it won't kick to 4.5GHz?
If you disable turbo 'on the fly' it will revert back to it's stock frequency of 3.3ghz.

Try it yourself with realtemp, under settings tick the disable turbo box and see for yourself.
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post #14 of 23
in the bios you can set non turbo frequency but its not recommend.
turbo off will just mean no higher clock speed will be applied when the cpu is under load.
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post #15 of 23
Thread Starter 
So if I understand correctly, the most "common" way of overclocking an SB system her in OCN is by using Turbo Ratio and leaving the Turbo Mode option of the CPU to default with "All Cores" chosen, is this correct?
post #16 of 23
Quote:
Originally Posted by kevindd992002 View Post
So if I understand correctly, the most "common" way of overclocking an SB system her in OCN is by using Turbo Ratio and leaving the Turbo Mode option of the CPU to default with "All Cores" chosen, is this correct?
correct
you dont want the cpu to be at full speed all the time.
it will be a waste of power and you will be generating a lot of heat for no reason.
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post #17 of 23
Quote:
Originally Posted by kevindd992002 View Post
So if I understand correctly, the most "common" way of overclocking an SB system her in OCN is by using Turbo Ratio and leaving the Turbo Mode option of the CPU to default with "All Cores" chosen, is this correct?
Yes
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post #18 of 23
Thread Starter 
Quote:
Originally Posted by nekromantik View Post
correct
you dont want the cpu to be at full speed all the time.
it will be a waste of power and you will be generating a lot of heat for no reason.
Well, that would only be attainable if Speedstep is enabled.
post #19 of 23
Quote:
Originally Posted by kevindd992002 View Post
Well, that would only be attainable if Speedstep is enabled.
speedsteep can be turned on safely without anything happening to your OC.
you can disable it while you fine tune your OC but once you find a stable clock and settings then you can turn it on.

there is no reason for you to leave the cpu running at 4.5ghz for example when you are just browsing the web or watching a movie for example.
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post #20 of 23
*I don't know if it differs from Gigabyte to ASUS but*

I leave the cpu multi at stock 33x

I go into the turbo section and select my desired max speed in EACH of the (4 in my case on 2500K) cores, so i am setting 47 X 4

At idle, because I have C1 & EIST enabled, I still downclock to ~1600, as designed. Because I have C3/C6 DISabled, I don't get the voltage drop that can cause crashes.

Under load, I still clock up to 4700 on all 4 cores, if that is what the computer is using. If it's only needing 1 core, only that core goes to 4700. You can test this by selecting Prime95 blend test and then checking how many cores you want to run.

Again, I don't know if this is unique to Gigabyte, or this specific mobo, but when only 1 core is tested, I do overvolt by aprox. .050v above my 'normal' 4 core load vcore.
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